-er -ey -ic c-- ccc cce cci cco ccr ccv ce- cec cee cei ceo cer cev cey ci- cic cie cii cio cir civ co- coc coe coi coo cor cov coy crc cre cri cro crr crv cry cvc cve cvi cvo cvr cvv cyc cye cyo cyr ec- ecc ece eci eco ecr ecv eec eee eeo eer eev eey eic eie eii eio eir eiv eo- eoc eoe eoi eoo eor erc ere eri ero err erv ery evc eve evi evo evr evv evy eyc eye eyo eyr i-v icc ice ici ico icr icv icy ie- iec iee iei ier iev iey iic iie iii iio iir io- ioc ioe ioi ioo ior iov ir- irc ire iri iro irr irv iry ivc ive ivi ivo ivr ivv ivy iyc iye iyo iyr iyy o-i oc- occ oci oco ocr ocv oec oee oei oeo oer oey oic oie oii oio oir oiv oo- ooc ooi ooo oor oov or- orc ore ori oro orr orv ory ov- ovc ove ovi ovo ovv oye oyi oyo rcc rce rci rco rcr rcv re- rec ree rei reo rer rev rey ric rie rii rio rir riv riy roc roe roi roo ror rov roy rrc rri rrr rvc rve rvi rvo rvr rvv rvy ry- ryc rye ryo ryr ryy v-e vcc vce vci vco vcr vcy vec vee vei veo ver vey vi- vic vie vii vio vir viv viy voc voe voi voo vor vov voy vrc vre vri vrr vry vvc vvi vvo vvr vvv vye ycc yce yci yco ycv ycy yec yee yei yeo yer yev yey yie yii yio yir yoc yoe yoi yoo yor yoy yrc yre yro yve yvi yvo yvr yvy yyc yye yyy